Changes in new GridViews
Adapted ViewModel-tests for Editor-Formula; Small Navigation-Bug in SpriteEditorView
Fixed ZipService Bug and ZipTests
Set fixed height of online project list items
Fixed storage issue concerning upload
Fixed storage issue that appeared during download-processs; Added Export-Folder cleanup
Fixed bus in new GridView and other components
fixed drawing-bug. refactoring brush-tool-class
Added TestCase for Bug 511
Merge TFS Changeset 1576